books.google.cahttp://books.google.ca/books/about/A_Treatise_on_the_Law_of_Patents_for_Use.html?id=1fMT5FaeAFEC&utm_source=gb-gplus-shareA Treatise on the Law of Patents for Useful Inventions as Enacted and Administered in the United States of America

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Page 7 - Any person who has invented or discovered any new and useful art, machine, manufacture, or composition of matter, or any new and useful improvements thereof, not known or used by others in this country, before his invention or discovery thereof...

Page 20 - ... of the sole working or making of any manner of new manufactures within this Realm, to the true and first inventor and inventors of such manufactures, which others at the time of making such letters patents and grants shall not use, so as also they be not contrary to the law nor mischievous to the State, by raising prices of commodities at home, or hurt of trade, or generally inconvenient...

Page xxii - Provided also, and be it declared and enacted, That any declaration before mentioned shall not extend to any letters patents and grants of privilege for the term of fourteen years or under, hereafter to be made, of the sole working or making of any manner of new manufactures within this realm, to the true and first inventor and inventors of such manufactures, which others at the time of making such letters patents and grants shall not use...

Page 12 - That any person or persons having discovered or invented any new and useful art, machine, manufacture, or composition of matter, or any new and useful improvement on any art, machine, manufacture, or composition of matter...